Home / 3,975.42-5,486.19-2,296.67

Finding the Fourth Proportional to 3,975.42, 5,486.19 and 2,296.67

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Solution

The fourth proportional to 3,975.42, 5,486.19 and 2,296.67 is: 3,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.42 : 5,486.19 = 2,296.67 : x
  2. Step 2: Convert to fraction form
    3,975.42/5,486.19 = 2,296.67/x
  3. Step 3: Cross multiply
    3,975.42x = 5,486.19 × 2,296.67
  4. Step 4: Simplify right side
    3,975.42x = 12,599,967.99
  5. Step 5: Solve for x
    x = 12,599,967.99/3,975.42
  6. Step 6: Final answer
    x = 3,169.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.